Robert R. Chodorek received the M.S. degree in electrical engineering from the Kielce University of Technology in Kielce, Poland (1990), and a PhD in computer sciences from the AGH University of Science and Technology in Krakow, Poland (1996). He is currently an assistant professor in the Department of Telecommunications at the AGH University of Science and Technology in Krakow, Poland. His current areas of research include widely understood performance evaluation, in particular broadband communications, IP multicasting, and multimedia communications. He has actively participated in Copernicus KNIXMAS, Tempus and POLONIUM. He is author or co-author of over 90 research papers and two books. He is a Member of Editorial Board of Digital Communications - Technologies and Services.